Sano,He is 129 years old. He is Vincent's twin brother. He is a vampire.A somewhat cold and even-tempered man. He's lost a lot in his life and is doing his best to put the pieces back together.Sano has a black tongue. Cain gave Sano a blue eye.He has black hair that hides his eye, he wears glasses, a scientist's coat and gloves.He studied medicine. Today he performs illegal experiments on people in his own laboratory.He has an obsession with dolls.